منابع مشابه
Properties of two marine bacteriophages.
Chen, Peter K. (Georgetown University, Washington, D.C.), Ronald V. Citarella, Omar Salazar, and Rita R. Colwell. Properties of two marine bacteriophages. J. Bacteriol. 91:1136-1139. 1966.-Various properties have been determined for two bacteriophages, NCMB 384 and 385, and their host, NCMB 397, a Cytophaga sp., isolated from the marine environment. The purified bacteriophages have been subject...
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Results: The modified method for bacteriophages isolation and purification developed in this work resulted in high concentration of viral particles, which was confirmed by electron and fluorescent microscopy. Some phages were observed to have unusually long tails, up to 1 μm in length. It is possible that this is the result of high concentrations of EPS (the main component of bacterial biofilm)...
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The incorporation of 32~-phosphorus into marine bacteriophage nucleic acid was studied in culture experiments to investigate the source of nucleotides used by the phage. We consistently found that the '2~-specific activity in the phage genome increased during the 11 h incubation and was low relative to the specific activity in the medium, averaging 21% ( + S D 5.9) for the three phage isolates....
متن کاملFrequency, size and distribution of bacteriophages in different marine bacterial morphotypes
The frequencies of cells containing mature phages, the burst sizes, the phage head sizes and the distribution of phages inside cells of different bacterial morphotypes were investigated in the northern Adriatic Sea. Coccoid bacteria more frequently (2 .5%) contained mature phages than rodshaped bacteria (1.2%) and spirillae (1.4 %). Including an estimation of non-v~sible infection we found that...
متن کاملDefying bacteriophages
Adaptations by hosts in response to parasitism are generally believed to reduce the susceptibility of the adapted individual. However, recent work on Escherichia coli showed that bacteria can fight deadly phage attacks by committing altruistic suicide upon infection, in order to prevent parasite transmission to nearby relatives. Here, we compare the efficiency of suicidal host defense with indi...
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ژورنال
عنوان ژورنال: Journal of Bacteriology
سال: 1960
ISSN: 0021-9193,1098-5530
DOI: 10.1128/jb.79.4.614-614.1960